10pcs sr501 adjustable

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10Pcs 3A XL6009 DC-DC 50KHz Adjustable Step-up Power Converter Module Specification: Wide Input voltage: 3V-30V Output Voltage: 4-35V (Adjustable) Output current: rated current 3A MAX (Heat-sink Needed) If you need its output power greater than 15W, please add with heat-sink Conversion efficiency: Up to 92% (output voltage higher, the higher the efficiency) Switching Frequency: 50KHz Rectifier: Non-Synchronous Rectification Short circuit protection: current limiting, since the recovery Operating temperature: Industrial grade (-40 to +85) (output power 10W or less) Full load temperature rise: 40 Load regulation: 0.5% Voltage regulation: 0.5% Size:47 x 26 x 15 mm Package included: 10 x XL6009 DC-DC 50KHz Adjustable Step-up Power Converter Module

10Pcs XH-M400 Step Down Module Adjustable XL4016E1 High Power DC-DC 8A DC4-40V With Regulator

10Pcs 3A XL6009 DC-DC 50KHz Adjustable Step Up Power Converter Module Package contains 1 X item of the smallest listed variant.

10pcs DC 5V DIY Electronic Windmill Training Kit Speed Adjustable MCU Course Design For Soldering

10Pcs Soil Hygrometer Humidity Detection Moisture Sensor For Arduino Description: This is a summary of the soil moisture sensor can be used to detect moisture, when the soil is dry, the module outputs a high level, whereas output low. Using this sensor make an automatic watering system, so that your garden plants without people to manage. Operating voltage: 3.3V~5V. Adjustable sensitivity (shown in blue digital potentiometer adjustment) Dual output mode,analog output more accurate. A fixed bolt hole for easy installation. With power indicator (red) and digital switching output indicator (green). Having LM393 comparator chip, stable. Panel PCB Dimension: 3cm x 1.5cm. Soil Probe Dimension: 6cm x 2cm. Cable Length: 21cm. VCC: 3.3V-5V. GND: GND. DO: digital output interface(0 and 1). AO: analog output interface. Instructions for Use: 1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil. 2. Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low. 3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture. 4. The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment. 5. Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture. Package Included: 10 x Soil moisture detector module 10 x Probe 10 x 2P Jumper Cable

10Pcs Mini 1A Lithium Battery Charging Module Board With USB Interface Description: Charging method: linear charge 1% Charging current: 1A adjustable Charge accuracy: 1.5% Input voltage: 4.5V-5.5V Full charge voltage: 4.2V Charging indicator: Red charging green full charge Charging input interface: Mini USB Working temperature: -10C to +85C Reverse: NO Size: 25 x 19 x 10mm Note: Ampere meter can only be connected to 5V input end of the module. It is better that the charging current is 37% of the battery capacity. If you charge to the battery of 1000mAH, current of 400 is enough. The connection wire should not be too long. Make sure the connect point is good. If the input voltage is too high, like 5.2V, the current will be less than 1000mA, it is normal. It is protection function, Auto-substract the charging current to avoid burn damage to chip. Input reverse has no effect on the chip, but the output (battery terminals) reverse will burn chips. Applications: This module is used for single-or multi-section parallel lithium lithium rechargeable battery, charging from the USB port to take power. Package included: 10 x 1A lithium battery charging module

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